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公开(公告)号：US10134349B2
公开(公告)日：2018-11-20
申请号：US15498287
申请日：2017-04-26
申请人： Apple Inc.
发明人： Rui Zhang , Guangmao Xing , Paolo Sacchetto , Marc Joseph Devincentis , Anshi Liang , Weijun Yao , Sang Y. Youn , Hyunwoo Nho
IPC分类号： G09G3/36 , G09G3/3225 , H04B1/10 , G09G3/20
摘要： Aspects of the subject technology relate to electronic devices with displays. A display may include an array of display pixels and control circuitry for operating the display. In some scenarios, interference signals from other components of the electronic device or additional external devices can couple to the control circuitry for the display and cause distortions in displayed data. Display frames may be displayed by an electronic device display with a varying phase. The varying phase display frames may each include a distortion pattern that also varies from frame to frame due to the varying phase. The varying distortion patterns may average out or visibly cancel when viewed by a user such that no visible artifact of the interference signal is seen by the user. The varying phase can be actively tuned to the interference signal if desired.
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公开(公告)号：US09780755B1
公开(公告)日：2017-10-03
申请号：US15268490
申请日：2016-09-16
申请人： Apple Inc.
IPC分类号： H05K1/00 , H03H1/00 , H05K9/00 , H01F27/28 , H01F27/29 , H03J5/02 , G09G3/20 , H04W84/12 , H04W4/00
CPC分类号： H03H1/0007 , G06F3/14 , G09G2330/06 , H01F27/2804 , H01F27/29 , H03H7/09 , H03J5/0209 , H04W4/80 , H04W84/12
摘要： An apparatus for on flex desensing, includes a flex circuit including one or more DC traces, and at least one desense filter including a transformer having a primary winding coupled to at least one of the DC traces. Each desense filter includes one or more circuits coupled to a secondary winding of the transformer. Each of the circuits includes a variable capacitor connected in parallel with a resistor, and each desense filter is tunable to filter a desense frequency in a frequency band associated with one or more wireless communication protocols.
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